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<td class="page-title-pattern-first-line " style="padding: 0; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HHH" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-12624" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-28a7eb71-7f14-4292-9277-f45e10a761f2" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-12624" style="color: #3b73af; text-decoration: none">HHH-12624</a> </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="stefan.mueller" id="email_stefan.mueller" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=stefan.mueller" style="color:#6c797f;; color: #3b73af; text-decoration: none">Stefan Mueller</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <span class="diffcontext">Since Hibernate 5.2.15, OneToMany Childs with <br><br>{code:java}<br>cascade = {CascadeType.ALL}, orphanRemoval = true<br>{code}<br><br>are leading to a IntegrityConstraintViolation when deleting the parent if the <br>{code:java}<br>hibernate.jdbc.batch_size > 1<br>{code}<br><br>Hibernate itself seems to issue the statements in the correct order (see example logs below), but probably because some batch-optimizations the real statements (logged by p6spy) are issued in the wrong order (parent delete first instead of last).<br><br>Might be associated with the 5.2.15 change https://hibernate.atlassian.net/browse/HHH-5797<br><br>h3. Logs with Hibernate 5.2.15 and batch.size=100<br></span> <span class="diffaddedchars" style="background-color:#ddfade;">All Hibernate-Logs, then the p6syp logs<br></span> <span class="diffcontext">2018-05-24 16:02:35.074 DEBUG [org.hibernate.SQL] delete from T_CHILD1 where ID=?<br>2018-05-24 16:02:35.074 DEBUG [org.hibernate.SQL] delete from T_CHILD2 where ID=?<br>2018-05-24 16:02:35.157 DEBUG [org.hibernate.SQL] delete from T_PARENT where ID=? and VERSION=?<br>2018-05-24 16:02:35.173 INFO [p6spy] #1527170555173 | took 13ms | statement | connection 0|delete from T_PARENT where ID=? and VERSION=?<br>2018-05-24 16:02:35.173 WARN [o.h.e.j.spi.SqlExceptionHelper] SQL Error: 2292, SQLState: 23000<br>2018-05-24 16:02:35.173 ERROR [o.h.e.j.spi.SqlExceptionHelper] ORA-02292: Integritäts-Constraint (FK_PARENT_ID) verletzt - untergeordneter Datensatz gefunden<br><br><br>h3. Logs with Hibernate < 5.2.15 OR batch.size=1<br></span> <span class="diffaddedchars" style="background-color:#ddfade;">One p6spy log after every hibernate log<br></span> <span class="diffcontext">2018-05-24 16:04:00.483 DEBUG [org.hibernate.SQL] delete from T_CHILD1 where ID=?<br>2018-05-24 16:04:00.483 INFO [p6spy] #1527170640483 | took 1ms | statement | connection 0|delete from</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;"> T_CHILD</span> <span class="diffaddedchars" style="background-color:#ddfade;"> T_CHILD1</span> <span class="diffcontext"> where ID=?<br>2018-05-24 16:04:00.483 DEBUG [org.hibernate.SQL] delete from T_CHILD2 where ID=?<br>2018-05-24 16:04:00.483 INFO [p6spy] #1527170640483 | took 1ms | statement | connection 0|delete from T_CHILD2 where ID=?<br>2018-05-24 16:04:00.673 DEBUG [org.hibernate.SQL] delete from T_PARENT where ID=? and VERSION=?<br>2018-05-24 16:04:00.673 INFO [p6spy] #1527170640673 | took 2ms | statement | connection 0|delete from T_PARENT where ID=? and VERSION=?<br></span> </td>
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